UC Collabing – A blog on VoIP, Cisco, CUCM, CUC, UCCX, IM&P, Gateways, SME, Asterisk, Mediasense, WebEx, Lync, Skype for Business, IP Telephony, Voicemail, IVR, VMWare, SIP, H.323, MGCP, SCCP, ISDN, E1, T1, PRI.

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Secure Connection Failed CUCM/CUC/UCCX

Secure Connection Failed CUCM/CUC/UCCX If you are using Firefox you may encounter an error “Secure Connection Failed”, An error occurred during a connection to X.X.X.X:8443. SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: ssl_error_weak_server_ephemeral_dh_key) when you try accessing


UCCX Simple Time of Day Call Routing

UCCX Simple Time of Day Call Routing Time of day call routing is very much required either you use a contact center environment or non contact center environment. If you are not using CC environment, you can do Time of Day cal routing using Cisco


Extension Mobility Cross Cluster (EMCC) – Configuration

Extension Mobility Cross Cluster (EMCC) – Configuration What is Extension Mobility Cross Cluster?  Extension Mobility enables you to login within the cluster (intra-cluster) whereas Extension Mobility Cross Cluster (EMCC) enables you to login from a home cluster to a phone at visiting cluster (inter-cluster). This


Cisco Any Connect with DUO MFA

Cisco ASA – Cisco AnyConnect with DUO Multi Factor Authentication  Recently i though to deploy Cisco ASA in my lab and try Multi Factor Authentication with Cisco owned DUO app. After installing Cisco ASA and complete the basic configuration, i started with DUO configuration on


CUCM – Secure LDAP

Cisco Unified Communications Manager – Secure LDAP Expanding a little bit on our previous post CUCM LDAP Active Directory Integration-Sync and considering Microsoft advisory ADV190023 which makes Secure LDAP (LDAPS) mandatory, we will discuss the additional steps to configure Secure LDAP over port 636. Upload


Configure Read-Only Access Cisco Unity Connection

Configure Read-Only Access Cisco Unity Connection When working customers, some customer may ask you to give some of their employees Read-Only access for Cisco Unity Connection.  This access will be very basic access similar to Help Desk users. The privilege given to the user will

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How to convert CUCM LDAP to LDAPS? Secure LDAP CUCM

Converting LDAP to Secure LDAP (LDAPS) for your CUCM/CUC Lightweight Directory Application Protocol (LDAP) and Secure LDAP (LDAPS) is a protocol that is used between the application and network directory/domain controller in an infrastructure. LDAP transmits communication in clear text whereas LDAPS communication is encrypted

Configuring Audiocodes SBC to integrate with CUCM

Route CUCM inter-cluster calls using Audiocodes SBC In a generic scenario, we use H.323 inter-cluster trunks or SIP trunks (either P2P or leveraging SME) to route the inter-cluster calls.  In this article, we will look into configuring Audiocodes SBC and route the CUCM inter-cluster calls